XML 139 R119.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Fair Value - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Discount percentage applied to real estate appraised values | 15.00% |  |  |
Discount percentage applied to lot development appraised values | 6.00% |  |  |
Partial charge-offs on impaired loans | $ 10,040 | $ 24,943 |  |
Allowance for loans individually evaluated for impairment | 684 | 548 |  |
Book Value Of Impaired Loans Carried At Fair Value | 3,577 | 6,379 |  |
Impaired loans carried at fair value | 3,574 | 5,983 |  |
Impaired Financing Receivable, Related Allowance | 684 | 548 |  |
Impaired Financing Receivable, carried at fair value, related expense | (1,600) | 900 | $ (2,100) |
MSR recorded at lower of cost or fair value | 9,688 | 9,266 | 9,008 | $ 8,613
Servicing Asset at Fair Value, Amount | 7,300 | 6,800 |  |
Valuation allowance of MSR | 630 | 735 | 542 | $ 826
MSRs recorded at cost | 2,400 | 2,500 |  |
Valuation allowance for impairment of recognized servicing assets, provisions (recoveries) | 105 | (193) | 284 |
Other Real Estate, Foreclosed Assets, and Repossessed Assets | $ 14,190 | $ 13,926 |  |
Percent of OREO held at fair value | 46.00% | 50.00% |  |
Estimated fair value of other real estate owned (OREO) | $ 6,500 | $ 6,900 |  |
OREO devaluations | 458 | 601 | $ 1,592 |
Commercial Receivables, excluding Commercial, Financial, and Agricultural [Domain] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired Financing Receivable, Related Allowance | $ 3 | $ 396 |  |

X
- Definition Book Value Of Impaired Loans Carried At Fair Value + References No definition available. + Details
Name: | prk_BookValueOfImpairedLoansCarriedAtFairValue
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Discount Percentage Applied To Lot Development Appraised Values + References No definition available. + Details
Name: | prk_DiscountPercentageAppliedToLotDevelopmentAppraisedValues
Namespace Prefix: | prk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discount Percentage Applied To Real Estate Appraised Values + References No definition available. + Details
Name: | prk_DiscountPercentageAppliedToRealEstateAppraisedValues
Namespace Prefix: | prk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Impaired Financing Receivable, related expense + References No definition available. + Details
Name: | prk_ImpairedFinancingReceivableCarriedAtFairValueRelatedExpense
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impaired Loan Fair Value + References No definition available. + Details
Name: | prk_ImpairedLoanFairValue
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition OREO Devaluations + References No definition available. + Details
Name: | prk_OreoDevaluations
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other Real Estate, Foreclosed Assets, and Repossessed Assets, Fair Value + References No definition available. + Details
Name: | prk_OtherRealEstateForeclosedAssetsAndRepossessedAssetsFairValue
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Partial Charge-Offs On Impaired Loans + References No definition available. + Details
Name: | prk_PartialChargeOffsOnImpairedLoans
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percent of OREO held at fair value + References No definition available. + Details
Name: | prk_PercentofOREOheldatfairvalue
Namespace Prefix: | prk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Servicing Asset Recorded At Cost + References No definition available. + Details
Name: | prk_ServicingAssetRecordedAtCost
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_OtherRealEstateAndForeclosedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7524895&loc=d3e120260-111741 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 + Details
Name: | us-gaap_ServicingAssetAtAmortizedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746 + Details
Name: | us-gaap_ServicingAssetAtFairValueAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the estimated amount of impairment as of the balance sheet date of recognized servicing assets that are being amortized in proportion to and over the period of estimated net servicing income or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 + Details
Name: | us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in the valuation allowance for impairment of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer from expenses (recoveries) recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (e)(2) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 + Details
Name: | us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=prk_CommercialReceivablesExcludingCommercialFinancialAndAgriculturalDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |